OpenTechnical

OT-2026-000005089

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pressure verified, contact triggered, silicone cups

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005089) never changes.

Identity and time

Publication numberOT-2026-000005089 · never reused
Internal UUID01a0a92d-818f-70a8-aec7-5cb963a1850e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:26.929817Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005089
StatusPUBLIC

Content hashes

Canonical text6fd495d193a71516c72f4dd7a1fe935ae3a8f8f5165bee3dab70d715a04990af
Markdown4bfa3256213248284da64246d4145ae9e277da36585c026b20f041a098f4859b
PDF
Publication pagedba0e3a29d973ecad2f98a410c2148e1c2da4485ea93c5f668dbf881d8d909cb
Manifest3a53cef06bced0fd3a910abcc7598e1bdacc000664f66cc5a0f3968106f8488f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturemf3MPVkZ+s3BHTmmtUSnii6/b5qboK+rmhsW268X0deDHJMfT85oGDKLaTF4bnBgYK2AKOAb4gf65HSxxeXGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:16.705897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005089
observed dba0e3a29d973ecad2f98a410c2148e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.692219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005089/manifest.json
observed 3a53cef06bced0fd3a910abcc7598e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.678311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005089/publication.md
observed 4bfa3256213248284da64246d4145ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.665379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005089/publication.txt
observed 6fd495d193a71516c72f4dd7a1fe935a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.